diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4ab2b64..efb4d91 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,4 +7,4 @@ build:
     - nix
   script:
     # Test the nix-shell
-    - nix-shell --run "echo OK"
+    - just run-with-channels 'nix-shell --run "echo OK"'
diff --git a/Justfile b/Justfile
index de2e276..c09286f 100755
--- a/Justfile
+++ b/Justfile
@@ -147,6 +147,7 @@ hm-iterate-qtile:
 	XEPHYR_PID=$!
 	echo ${XEPHYR_PID}
 	DISPLAY=:1 $(grep qtile ~/.xsession) &
+	echo "Xephyr started. un-/grab the mouse with Ctrl + Shift-L"
 	wait $!
 	kill ${XEPHYR_PID}
 
@@ -240,3 +241,18 @@ run-with-channels +cmds:
 	#!/usr/bin/env bash
 	source $(just -v _get_nix_path {{invocation_directory()}}/nix/variables/versions.nix)
 	{{cmds}}
+
+# Switch between yubikeys which have a copy of the same key
+switch-yubikey:
+	#!/usr/bin/env bash
+	# See https://github.com/drduh/YubiKey-Guide/issues/19
+	set -xe
+	KEY_ID=$(gpg --card-status | rg sec | rg -o '[0-9A-Z]{16}')
+	gpg --delete-secret-and-public-keys $KEY_ID
+	# TODO: fix this as it still blocks on the gpg prompt
+	gpg2 --edit-card <<-EOF
+	fetch
+	quit
+	EOF
+	gpg-connect-agent "scd serialno" "learn --force" /bye
+	gpg --card-status
diff --git a/nix/home-manager/configuration/graphical-fullblown.nix b/nix/home-manager/configuration/graphical-fullblown.nix
index b5ab574..0192c3f 100644
--- a/nix/home-manager/configuration/graphical-fullblown.nix
+++ b/nix/home-manager/configuration/graphical-fullblown.nix
@@ -146,7 +146,7 @@ in {
       gnome3.cheese
 
       # Virtualization
-      masterpkgs.virtmanager
+      virtmanager
       (pkgs.lib.hiPrio qemu)
       # virtualbox
       vagrant
@@ -360,6 +360,8 @@ in {
       gnome3.dconf
       picocom
       glib.dev # contains gdbus tool
+      alacritty
+      roxterm
 
       # Screen recording
       # gtk-recordmydesktop # can't select the window
diff --git a/nix/home-manager/profiles/qtile-desktop.nix b/nix/home-manager/profiles/qtile-desktop.nix
index 1301da0..da14963 100644
--- a/nix/home-manager/profiles/qtile-desktop.nix
+++ b/nix/home-manager/profiles/qtile-desktop.nix
@@ -32,8 +32,10 @@ let
         ;;
     esac
   '';
+  # FIXME: alacritty's reflow on grow is currently broken (on my system)
+  terminalCommand = "${pkgs.alacritty}/bin/alacritty";
+  # terminalCommand = "${pkgs.roxterm}/bin/roxterm";
 
-  terminal = "${pkgs.gnome3.gnome_terminal}/bin/gnome-terminal";
 
   qtileConfig = pkgs.writeScript "qtile_config.py" ''
 from libqtile.config import Key, Screen, Group, Drag, Click
@@ -98,9 +100,9 @@ key_control = "control"
 
 keys = [
     # https://github.com/qtile/qtile/blob/develop/libqtile/xkeysyms.py
-    Key([key_super], "Return", lazy.spawn("${terminal}")),
-    Key([key_super], "backslash", lazy.spawn("${terminal}")),
-    Key([key_super], "apostrophe", lazy.spawn("${terminal}")),
+    Key([key_super], "Return", lazy.spawn("${terminalCommand}")),
+    Key([key_super], "backslash", lazy.spawn("${terminalCommand}")),
+    Key([key_super], "apostrophe", lazy.spawn("${terminalCommand}")),
     Key([key_super], "r", lazy.spawncmd()),
     Key([key_super], "w", lazy.window.kill()),
 
diff --git a/nix/home-manager/programs/zsh.nix b/nix/home-manager/programs/zsh.nix
index 330d949..b44fd45 100644
--- a/nix/home-manager/programs/zsh.nix
+++ b/nix/home-manager/programs/zsh.nix
@@ -7,6 +7,40 @@ let
   channelSources = (import ../../default.nix {
       versionsPath = ../../variables/versions.nix;
     }).channelSources;
+
+  just-plugin =
+    let
+      plugin_file = pkgs.writeText "_just" ''
+        #compdef just
+        #autload
+
+        alias justl="\just --list"
+        alias juste="\just --evaluate"
+
+        local subcmds=()
+
+        while read -r line ; do
+           if [[ ! $line == Available* ]] ;
+           then
+              subcmds+=(''${line/[[:space:]]*\#/:})
+           fi
+        done < <(just --list)
+
+        _describe 'command' subcmds
+      '';
+
+    in pkgs.stdenv.mkDerivation {
+      name = "just-completions";
+      version = "0.1.0";
+      phases = "installPhase";
+      installPhase = ''
+        PLUGIN_PATH=$out/share/oh-my-zsh/plugins/just
+        mkdir -p $PLUGIN_PATH
+        cp ${plugin_file} $PLUGIN_PATH/_just
+        chmod --recursive a-w $out
+      '';
+  };
+
 in {
   programs.zsh = {
     enable = true;
@@ -15,8 +49,7 @@ in {
     enableCompletion = false;
     enableAutosuggestions = true;
     initExtra = ''
-      PROMPT='%F{%(!.red.green)}%n%f@%m %(?.%F{green}✓%f.%F{red}✗ ($?%))%f %F{blue}%~%f %F{magenta}$(git_prompt_info)%f
-%_%F{%(!.red.green)}$(prompt_char)%f '
+      PROMPT='%F{%(!.red.green)}%n%f@%m %(?.%F{green}✓%f.%F{red}✗ ($?%))%f %F{blue}%~%f %F{magenta}$(git_prompt_info)%f$prompt_newline%_%F{%(!.red.green)}$(prompt_char)%f '
       RPROMPT=""
 
       # Automatic rehash
@@ -39,6 +72,11 @@ in {
       unsetopt AUTO_CD
 
       source ${channelSources}
+
+      # print lines without termination
+      setopt PROMPT_CR
+      setopt PROMPT_SP
+      export PROMPT_EOL_MARK=""
     '';
 
     sessionVariables = {
@@ -52,8 +90,8 @@ in {
         src = pkgs.fetchFromGitHub {
           owner = "zsh-users";
           repo = "zsh-autosuggestions";
-          rev = "v0.4.0";
-          sha256 = "0z6i9wjjklb4lvr7zjhbphibsyx51psv50gm07mbb0kj9058j6kc";
+          rev = "v0.6.3";
+          sha256 = "1smskx9vkx78yhwspjq2c5r5swh9fc5xxa40ib4753f00wk4dwpp";
         };
       }
       {
@@ -62,8 +100,8 @@ in {
         src = pkgs.fetchFromGitHub {
           owner = "b4b4r07";
           repo = "enhancd";
-          rev = "v2.2.1";
-          sha256 = "0iqa9j09fwm6nj5rpip87x3hnvbbz9w9ajgm6wkrd5fls8fn8i5g";
+          rev = "v2.2.4";
+          sha256 = "1smskx9vkx78yhwspjq2c5r5swh9fc5xxa40ib4753f00wk4dwpp";
         };
       }
       {
@@ -74,6 +112,10 @@ in {
         name = "minikube";
         src = "${pkgs.oh-my-zsh}/share/oh-my-zsh/plugins/minikube";
       }
+      {
+        name = "just";
+        src = "${just-plugin}/share/oh-my-zsh/plugins/just";
+      }
     ];
     oh-my-zsh = {
       enable = true;
diff --git a/nix/os/devices/steveej-t480s-work/versions.nix b/nix/os/devices/steveej-t480s-work/versions.nix
index 0d93e08..6d94e8b 100644
--- a/nix/os/devices/steveej-t480s-work/versions.nix
+++ b/nix/os/devices/steveej-t480s-work/versions.nix
@@ -1,20 +1,20 @@
 {
   channelsNixosStable = {
     ref = "nixos-19.03";
-    rev = "1601f559e89ba71091faa26888711d4dd24c2d4d";
+    rev = "aef662d2eb532eeb9976068fd1705e3cf3663054";
   };
   channelsNixosUnstable = {
     ref = "nixos-unstable";
-    rev = "7815c86c104a99417db844791dcda34fe7a7965f";
+    rev = "73392e79aa62e406683d6a732eb4f4101f4732be";
   };
   nixpkgsMaster = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "aa2f3eb8b102ffed4258a7e7fbc0a7d17b7ba319";
+    rev = "51aa3cc4855c5964a6e71adcf7b79c1a0c23f322";
   };
   homeManagerModule = {
     url = "https://github.com/rycee/home-manager";
     ref = "master";
-    rev = "cf0aad391c10473fa7613dcc41b1f6a366d03148";
+    rev = "95382060ebaa19ec49a861921216b1db8460b314";
   };
 }
diff --git a/nix/overlay.nix b/nix/overlay.nix
index 3394b5c..9d2e289 100644
--- a/nix/overlay.nix
+++ b/nix/overlay.nix
@@ -1,10 +1,8 @@
 self: super:
 
 let
-  nixpkgs-master = import (builtins.fetchTarball {
-    url = "https://github.com/NixOS/nixpkgs-channels/archive/de5fd9e6110489722e8667664dce9fdc17331866.tar.gz";
-    sha256 = "0z1j2pmvn15m2ir2i9l2prr81cq7f1x8xs4cv2s7q4fslz586ghn";
-  }) {};
+  nixpkgs-master = import <nixpkgs-master> {};
+
   # one application requires php5
   nixpkgsWithPhp5 = super.fetchFromGitHub {
     owner = "nixos";
@@ -14,6 +12,7 @@ let
   };
 
 in {
+  alacritty = nixpkgs-master.alacritty;
   podman = nixpkgs-master.podman;
   conmon = nixpkgs-master.conmon;
 
@@ -23,6 +22,16 @@ in {
   slirp4netns = super.callPackage ./pkgs/slirp4netns.nix {};
   staruml = super.callPackage ./pkgs/staruml.nix { inherit (super.gnome2) GConf; libgcrypt = super.libgcrypt_1_5; };
 
+  roxterm = super.stdenv.mkDerivation {
+    name = "roxterm-custom";
+    buildInputs = [ super.makeWrapper ];
+    phases = "installPhase";
+    installPhase = ''
+      makeWrapper ${super.roxterm}/bin/roxterm $out/bin/roxterm \
+        --add-flags "--separate"
+    '';
+  };
+
   busyboxStatic =  super.busybox.override {
     enableStatic = true;
     extraConfig = ''
diff --git a/services/ffld/router-wan.lan/Justfile b/services/ffld/router-wan.lan/Justfile
deleted file mode 100644
index 322435d..0000000
--- a/services/ffld/router-wan.lan/Justfile
+++ /dev/null
@@ -1,2 +0,0 @@
-post-setup:
-	ansible-playbook -i hosts openwrt-post-setup.yaml --verbose
diff --git a/services/ffld/router-wan.lan/hosts b/services/ffld/router-wan.lan/hosts
deleted file mode 100644
index d31ee02..0000000
--- a/services/ffld/router-wan.lan/hosts
+++ /dev/null
@@ -1 +0,0 @@
-router-wan.lan ansible_ssh_user=root
diff --git a/services/ffld/router-wan.lan/openwrt-post-setup.yaml b/services/ffld/router-wan.lan/openwrt-post-setup.yaml
deleted file mode 100644
index 45d89be..0000000
--- a/services/ffld/router-wan.lan/openwrt-post-setup.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-# * https://openwrt.org/docs/guide-user/services/nas/usb-storage-samba-webinterface
-
-- hosts: router-wan.lan
-  gather_facts: no
-  tasks:
-  - name: udpate pkg database
-    raw: opkg update
-  - name: install packages
-    raw: opkg install {{ item }}
-    loop:
-      - luci-ssl
-      - luci-app-samba samba36-server
-      - block-mount blockd kmod-fs-vmod kmod-fs-vfat kmod-usb-storage usbutils
diff --git a/services/home-ch/router-wan.lan/Justfile b/services/home-ch/router-wan.lan/Justfile
new file mode 100644
index 0000000..79a278a
--- /dev/null
+++ b/services/home-ch/router-wan.lan/Justfile
@@ -0,0 +1,8 @@
+_run_ssh_cmd cmd:
+	ssh root@router-wan.lan "{{cmd}}"
+
+post-setup:
+	just -v _run_ssh_cmd "opkg update"
+	just -v _run_ssh_cmd "opkg install luci-ssl"
+	just -v _run_ssh_cmd "opkg install luci-app-samba samba36-server"
+	just -v _run_ssh_cmd "opkg install block-mount blockd kmod-fs-vfat kmod-usb-storage usbutils"
diff --git a/shell.nix b/shell.nix
index 999eba0..ed7bde4 100644
--- a/shell.nix
+++ b/shell.nix
@@ -20,6 +20,12 @@ stdenv.mkDerivation {
     imagemagick
 
     esh
+
+    xorg.xwininfo
+
+
+    # testing
+    alacritty
   ];
 
   # Set Environment Variables